# abomasum

> English word · Noun · IPA /ˌæb.oʊˈmeɪ.səm/

## Definitions
1. The fourth digestive compartment of the stomach of a cow or other ruminant, after the omasum;
2. The fourth digestive compartment of the stomach of a cow or other ruminant, after the omasum;
the lining of said compartment, considered as a foodstuff.

## Etymology
From New Latin abomāsum, from ab- (“away from”) + omāsum (“tripe of a bullock”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/abomasum